NASA's Nancy Grace Roman Space Telescope launches Aug. 30 on a mission to explore some of the most pressing mysteries of the cosmos.

NASA’s Roman Space Telescope launches Aug. 30 aboard Falcon Heavy. Here’s everything to know about its mission to map galaxies, hunt exoplanets and probe dark energy.

Roman will conduct one of the most comprehensive searches ever for exoplanets. It is expected to discover thousands of new ones and provide the first statistical census of…